I don't fall into the Whats in it for Me crowd. I have 2 daughters, one of which still loves Frozen (the other sick of it for 8 months). The Meet and Greet have something for me, because even as sick of it as my oldest is, she still enjoyed meeting Anna and Elsa.
You mention that there is no other place RIGHT NOW to build something Frozen that makes more sense. There are tons of places! There are places in the Magic Kingdom that could be utilized. If they announced Fantasyland Expansion 2.0, building an entire Frozen section on, it would be huge news, and well received.
Or, DHS just shut down half the park! Part of the re-do could take advantage of that space. MK is best, DHS would be second IMO. Still, either of those are better choices than Epcot.
Given that they are trashing an entire World Showcase pavilion to add Frozen, they better not add some sort of "larger" presence down the road. That's the thing here. This is it. They are not taking the time to do this "right". They are doing this "right now" by giving us a rebuilt attraction and a meet and greet, and they are killing the World Showcase to do it. If we think that Frozen is something that can't sustain a major investment worth a multi-year project, and we have to strike now while the iron is hot, then I'd argue that we shouldn't be making attractions around it at all.
Still, it's all a rehash of the other 250 pages of this thread. We have what we have. Norway is dead. World Showcase has been ripped of it's purpose. All I can hope for now is that at the very least, the facade of the new building will be a thematic match to the actual country of Norway, matching up with the rest of the Norway pavilion. I fear that we're going to be getting a tiny forced perspective ice castle on top of the building like we have Beast's castle, removing any hint of actual Norwegian ties.
At least the Margarita Kiosk sitting directly across from the entrance to Frozen-M&G fits. I mean, what is more Norwegian than Margaritas:
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Of course, they'll just start selling specialty Frozen Margaritas in Olaf cups and call it a day. Get it. Frozen Margaritas!!!